blob: 8f7ab2d5450eba2c3ad8c0a9779b9ade07851398 [file] [log] [blame]
/* Copyright (c) 2009-2011, Code Aurora Forum. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
/*
* Qualcomm PMIC8058 driver
*
*/
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/irq.h>
#include <linux/msm_ssbi.h>
#include <linux/mfd/core.h>
#include <linux/mfd/pmic8058.h>
#include <linux/mfd/pm8xxx/core.h>
#include <linux/msm_adc.h>
#include <linux/module.h>
#define REG_MPP_BASE 0x50
#define REG_IRQ_BASE 0x1BB
/* PMIC8058 Revision */
#define PM8058_REG_REV 0x002 /* PMIC4 revision */
#define PM8058_VERSION_MASK 0xF0
#define PM8058_REVISION_MASK 0x0F
#define PM8058_VERSION_VALUE 0xE0
/* PMIC 8058 Battery Alarm SSBI registers */
#define REG_BATT_ALARM_THRESH 0x023
#define REG_BATT_ALARM_CTRL1 0x024
#define REG_BATT_ALARM_CTRL2 0x0AA
#define REG_BATT_ALARM_PWM_CTRL 0x0A3
#define REG_TEMP_ALRM_CTRL 0x1B
#define REG_TEMP_ALRM_PWM 0x9B
/* PON CNTL 4 register */
#define SSBI_REG_ADDR_PON_CNTL_4 0x98
#define PM8058_PON_RESET_EN_MASK 0x01
/* PON CNTL 5 register */
#define SSBI_REG_ADDR_PON_CNTL_5 0x7B
#define PM8058_HARD_RESET_EN_MASK 0x08
/* GP_TEST1 register */
#define SSBI_REG_ADDR_GP_TEST_1 0x07A
#define PM8058_RTC_BASE 0x1E8
#define PM8058_OTHC_CNTR_BASE0 0xA0
#define PM8058_OTHC_CNTR_BASE1 0x134
#define PM8058_OTHC_CNTR_BASE2 0x137
#define SINGLE_IRQ_RESOURCE(_name, _irq) \
{ \
.name = _name, \
.start = _irq, \
.end = _irq, \
.flags = IORESOURCE_IRQ, \
}
struct pm8058_chip {
struct pm8058_platform_data pdata;
struct device *dev;
struct pm_irq_chip *irq_chip;
struct mfd_cell *mfd_regulators, *mfd_xo_buffers;
u8 revision;
};
static int pm8058_readb(const struct device *dev, u16 addr, u8 *val)
{
const struct pm8xxx_drvdata *pm8058_drvdata = dev_get_drvdata(dev);
const struct pm8058_chip *pmic = pm8058_drvdata->pm_chip_data;
return msm_ssbi_read(pmic->dev->parent, addr, val, 1);
}
static int pm8058_writeb(const struct device *dev, u16 addr, u8 val)
{
const struct pm8xxx_drvdata *pm8058_drvdata = dev_get_drvdata(dev);
const struct pm8058_chip *pmic = pm8058_drvdata->pm_chip_data;
return msm_ssbi_write(pmic->dev->parent, addr, &val, 1);
}
static int pm8058_read_buf(const struct device *dev, u16 addr, u8 *buf,
int cnt)
{
const struct pm8xxx_drvdata *pm8058_drvdata = dev_get_drvdata(dev);
const struct pm8058_chip *pmic = pm8058_drvdata->pm_chip_data;
return msm_ssbi_read(pmic->dev->parent, addr, buf, cnt);
}
static int pm8058_write_buf(const struct device *dev, u16 addr, u8 *buf,
int cnt)
{
const struct pm8xxx_drvdata *pm8058_drvdata = dev_get_drvdata(dev);
const struct pm8058_chip *pmic = pm8058_drvdata->pm_chip_data;
return msm_ssbi_write(pmic->dev->parent, addr, buf, cnt);
}
static int pm8058_read_irq_stat(const struct device *dev, int irq)
{
const struct pm8xxx_drvdata *pm8058_drvdata = dev_get_drvdata(dev);
const struct pm8058_chip *pmic = pm8058_drvdata->pm_chip_data;
return pm8xxx_get_irq_stat(pmic->irq_chip, irq);
return 0;
}
static enum pm8xxx_version pm8058_get_version(const struct device *dev)
{
const struct pm8xxx_drvdata *pm8058_drvdata = dev_get_drvdata(dev);
const struct pm8058_chip *pmic = pm8058_drvdata->pm_chip_data;
enum pm8xxx_version version = -ENODEV;
if ((pmic->revision & PM8058_VERSION_MASK) == PM8058_VERSION_VALUE)
version = PM8XXX_VERSION_8058;
return version;
}
static int pm8058_get_revision(const struct device *dev)
{
const struct pm8xxx_drvdata *pm8058_drvdata = dev_get_drvdata(dev);
const struct pm8058_chip *pmic = pm8058_drvdata->pm_chip_data;
return pmic->revision & PM8058_REVISION_MASK;
}
static struct pm8xxx_drvdata pm8058_drvdata = {
.pmic_readb = pm8058_readb,
.pmic_writeb = pm8058_writeb,
.pmic_read_buf = pm8058_read_buf,
.pmic_write_buf = pm8058_write_buf,
.pmic_read_irq_stat = pm8058_read_irq_stat,
.pmic_get_version = pm8058_get_version,
.pmic_get_revision = pm8058_get_revision,
};
static const struct resource pm8058_charger_resources[] __devinitconst = {
SINGLE_IRQ_RESOURCE("CHGVAL", PM8058_CHGVAL_IRQ),
SINGLE_IRQ_RESOURCE("CHGINVAL", PM8058_CHGINVAL_IRQ),
SINGLE_IRQ_RESOURCE("CHGILIM", PM8058_CHGILIM_IRQ),
SINGLE_IRQ_RESOURCE("VCP", PM8058_VCP_IRQ),
SINGLE_IRQ_RESOURCE("ATC_DONE", PM8058_ATC_DONE_IRQ),
SINGLE_IRQ_RESOURCE("ATCFAIL", PM8058_ATCFAIL_IRQ),
SINGLE_IRQ_RESOURCE("AUTO_CHGDONE", PM8058_AUTO_CHGDONE_IRQ),
SINGLE_IRQ_RESOURCE("AUTO_CHGFAIL", PM8058_AUTO_CHGFAIL_IRQ),
SINGLE_IRQ_RESOURCE("CHGSTATE", PM8058_CHGSTATE_IRQ),
SINGLE_IRQ_RESOURCE("FASTCHG", PM8058_FASTCHG_IRQ),
SINGLE_IRQ_RESOURCE("CHG_END", PM8058_CHG_END_IRQ),
SINGLE_IRQ_RESOURCE("BATTTEMP", PM8058_BATTTEMP_IRQ),
SINGLE_IRQ_RESOURCE("CHGHOT", PM8058_CHGHOT_IRQ),
SINGLE_IRQ_RESOURCE("CHGTLIMIT", PM8058_CHGTLIMIT_IRQ),
SINGLE_IRQ_RESOURCE("CHG_GONE", PM8058_CHG_GONE_IRQ),
SINGLE_IRQ_RESOURCE("VCPMAJOR", PM8058_VCPMAJOR_IRQ),
SINGLE_IRQ_RESOURCE("VBATDET", PM8058_VBATDET_IRQ),
SINGLE_IRQ_RESOURCE("BATFET", PM8058_BATFET_IRQ),
SINGLE_IRQ_RESOURCE("BATT_REPLACE", PM8058_BATT_REPLACE_IRQ),
SINGLE_IRQ_RESOURCE("BATTCONNECT", PM8058_BATTCONNECT_IRQ),
SINGLE_IRQ_RESOURCE("VBATDET_LOW", PM8058_VBATDET_LOW_IRQ),
};
static struct mfd_cell pm8058_charger_cell __devinitdata = {
.name = "pm8058-charger",
.id = -1,
.resources = pm8058_charger_resources,
.num_resources = ARRAY_SIZE(pm8058_charger_resources),
};
static const struct resource misc_cell_resources[] __devinitconst = {
SINGLE_IRQ_RESOURCE("pm8xxx_osc_halt_irq", PM8058_OSCHALT_IRQ),
};
static struct mfd_cell misc_cell __devinitdata = {
.name = PM8XXX_MISC_DEV_NAME,
.id = -1,
.resources = misc_cell_resources,
.num_resources = ARRAY_SIZE(misc_cell_resources),
};
static struct mfd_cell pm8058_pwm_cell __devinitdata = {
.name = "pm8058-pwm",
.id = -1,
};
static struct resource xoadc_resources[] = {
SINGLE_IRQ_RESOURCE(NULL, PM8058_ADC_IRQ),
};
static struct mfd_cell xoadc_cell __devinitdata = {
.name = "pm8058-xoadc",
.id = -1,
.resources = xoadc_resources,
.num_resources = ARRAY_SIZE(xoadc_resources),
};
static const struct resource thermal_alarm_cell_resources[] __devinitconst = {
SINGLE_IRQ_RESOURCE("pm8058_tempstat_irq", PM8058_TEMPSTAT_IRQ),
SINGLE_IRQ_RESOURCE("pm8058_overtemp_irq", PM8058_OVERTEMP_IRQ),
};
static struct pm8xxx_tm_core_data thermal_alarm_cdata = {
.adc_channel = CHANNEL_ADC_DIE_TEMP,
.adc_type = PM8XXX_TM_ADC_PM8058_ADC,
.reg_addr_temp_alarm_ctrl = REG_TEMP_ALRM_CTRL,
.reg_addr_temp_alarm_pwm = REG_TEMP_ALRM_PWM,
.tm_name = "pm8058_tz",
.irq_name_temp_stat = "pm8058_tempstat_irq",
.irq_name_over_temp = "pm8058_overtemp_irq",
};
static struct mfd_cell thermal_alarm_cell __devinitdata = {
.name = PM8XXX_TM_DEV_NAME,
.id = -1,
.resources = thermal_alarm_cell_resources,
.num_resources = ARRAY_SIZE(thermal_alarm_cell_resources),
.platform_data = &thermal_alarm_cdata,
.pdata_size = sizeof(struct pm8xxx_tm_core_data),
};
static struct mfd_cell debugfs_cell __devinitdata = {
.name = "pm8xxx-debug",
.id = -1,
.platform_data = "pm8058-dbg",
.pdata_size = sizeof("pm8058-dbg"),
};
static const struct resource othc0_cell_resources[] __devinitconst = {
{
.name = "othc_base",
.start = PM8058_OTHC_CNTR_BASE0,
.end = PM8058_OTHC_CNTR_BASE0,
.flags = IORESOURCE_IO,
},
};
static const struct resource othc1_cell_resources[] __devinitconst = {
SINGLE_IRQ_RESOURCE(NULL, PM8058_SW_1_IRQ),
SINGLE_IRQ_RESOURCE(NULL, PM8058_IR_1_IRQ),
{
.name = "othc_base",
.start = PM8058_OTHC_CNTR_BASE1,
.end = PM8058_OTHC_CNTR_BASE1,
.flags = IORESOURCE_IO,
},
};
static const struct resource othc2_cell_resources[] __devinitconst = {
{
.name = "othc_base",
.start = PM8058_OTHC_CNTR_BASE2,
.end = PM8058_OTHC_CNTR_BASE2,
.flags = IORESOURCE_IO,
},
};
static const struct resource batt_alarm_cell_resources[] __devinitconst = {
SINGLE_IRQ_RESOURCE("pm8058_batt_alarm_irq", PM8058_BATT_ALARM_IRQ),
};
static struct mfd_cell leds_cell __devinitdata = {
.name = "pm8058-led",
.id = -1,
};
static struct mfd_cell othc0_cell __devinitdata = {
.name = "pm8058-othc",
.id = 0,
.resources = othc0_cell_resources,
.num_resources = ARRAY_SIZE(othc0_cell_resources),
};
static struct mfd_cell othc1_cell __devinitdata = {
.name = "pm8058-othc",
.id = 1,
.resources = othc1_cell_resources,
.num_resources = ARRAY_SIZE(othc1_cell_resources),
};
static struct mfd_cell othc2_cell __devinitdata = {
.name = "pm8058-othc",
.id = 2,
.resources = othc2_cell_resources,
.num_resources = ARRAY_SIZE(othc2_cell_resources),
};
static struct pm8xxx_batt_alarm_core_data batt_alarm_cdata = {
.irq_name = "pm8058_batt_alarm_irq",
.reg_addr_threshold = REG_BATT_ALARM_THRESH,
.reg_addr_ctrl1 = REG_BATT_ALARM_CTRL1,
.reg_addr_ctrl2 = REG_BATT_ALARM_CTRL2,
.reg_addr_pwm_ctrl = REG_BATT_ALARM_PWM_CTRL,
};
static struct mfd_cell batt_alarm_cell __devinitdata = {
.name = PM8XXX_BATT_ALARM_DEV_NAME,
.id = -1,
.resources = batt_alarm_cell_resources,
.num_resources = ARRAY_SIZE(batt_alarm_cell_resources),
.platform_data = &batt_alarm_cdata,
.pdata_size = sizeof(struct pm8xxx_batt_alarm_core_data),
};
static struct mfd_cell upl_cell __devinitdata = {
.name = PM8XXX_UPL_DEV_NAME,
.id = -1,
};
static struct mfd_cell nfc_cell __devinitdata = {
.name = PM8XXX_NFC_DEV_NAME,
.id = -1,
};
static const struct resource rtc_cell_resources[] __devinitconst = {
[0] = SINGLE_IRQ_RESOURCE(NULL, PM8058_RTC_ALARM_IRQ),
[1] = {
.name = "pmic_rtc_base",
.start = PM8058_RTC_BASE,
.end = PM8058_RTC_BASE,
.flags = IORESOURCE_IO,
},
};
static struct mfd_cell rtc_cell __devinitdata = {
.name = PM8XXX_RTC_DEV_NAME,
.id = -1,
.resources = rtc_cell_resources,
.num_resources = ARRAY_SIZE(rtc_cell_resources),
};
static const struct resource resources_pwrkey[] __devinitconst = {
SINGLE_IRQ_RESOURCE(NULL, PM8058_PWRKEY_REL_IRQ),
SINGLE_IRQ_RESOURCE(NULL, PM8058_PWRKEY_PRESS_IRQ),
};
static struct mfd_cell vibrator_cell __devinitdata = {
.name = PM8XXX_VIBRATOR_DEV_NAME,
.id = -1,
};
static struct mfd_cell pwrkey_cell __devinitdata = {
.name = PM8XXX_PWRKEY_DEV_NAME,
.id = -1,
.num_resources = ARRAY_SIZE(resources_pwrkey),
.resources = resources_pwrkey,
};
static const struct resource resources_keypad[] = {
SINGLE_IRQ_RESOURCE(NULL, PM8058_KEYPAD_IRQ),
SINGLE_IRQ_RESOURCE(NULL, PM8058_KEYSTUCK_IRQ),
};
static struct mfd_cell keypad_cell __devinitdata = {
.name = PM8XXX_KEYPAD_DEV_NAME,
.id = -1,
.num_resources = ARRAY_SIZE(resources_keypad),
.resources = resources_keypad,
};
static const struct resource mpp_cell_resources[] __devinitconst = {
{
.start = PM8058_IRQ_BLOCK_BIT(PM8058_MPP_BLOCK_START, 0),
.end = PM8058_IRQ_BLOCK_BIT(PM8058_MPP_BLOCK_START, 0)
+ PM8058_MPPS - 1,
.flags = IORESOURCE_IRQ,
},
};
static struct mfd_cell mpp_cell __devinitdata = {
.name = PM8XXX_MPP_DEV_NAME,
.id = 0,
.resources = mpp_cell_resources,
.num_resources = ARRAY_SIZE(mpp_cell_resources),
};
static const struct resource gpio_cell_resources[] __devinitconst = {
[0] = {
.start = PM8058_IRQ_BLOCK_BIT(PM8058_GPIO_BLOCK_START, 0),
.end = PM8058_IRQ_BLOCK_BIT(PM8058_GPIO_BLOCK_START, 0)
+ PM8058_GPIOS - 1,
.flags = IORESOURCE_IRQ,
},
};
static struct mfd_cell gpio_cell __devinitdata = {
.name = PM8XXX_GPIO_DEV_NAME,
.id = -1,
.resources = gpio_cell_resources,
.num_resources = ARRAY_SIZE(gpio_cell_resources),
};
static int __devinit
pm8058_add_subdevices(const struct pm8058_platform_data *pdata,
struct pm8058_chip *pmic)
{
int rc = 0, irq_base = 0, i;
struct pm_irq_chip *irq_chip;
static struct mfd_cell *mfd_regulators, *mfd_xo_buffers;
if (pdata->irq_pdata) {
pdata->irq_pdata->irq_cdata.nirqs = PM8058_NR_IRQS;
pdata->irq_pdata->irq_cdata.base_addr = REG_IRQ_BASE;
irq_base = pdata->irq_pdata->irq_base;
irq_chip = pm8xxx_irq_init(pmic->dev, pdata->irq_pdata);
if (IS_ERR(irq_chip)) {
pr_err("Failed to init interrupts ret=%ld\n",
PTR_ERR(irq_chip));
return PTR_ERR(irq_chip);
}
pmic->irq_chip = irq_chip;
}
if (pdata->gpio_pdata) {
pdata->gpio_pdata->gpio_cdata.ngpios = PM8058_GPIOS;
gpio_cell.platform_data = pdata->gpio_pdata;
gpio_cell.pdata_size = sizeof(struct pm8xxx_gpio_platform_data);
rc = mfd_add_devices(pmic->dev, 0, &gpio_cell, 1,
NULL, irq_base);
if (rc) {
pr_err("Failed to add gpio subdevice ret=%d\n", rc);
goto bail;
}
}
if (pdata->mpp_pdata) {
pdata->mpp_pdata->core_data.nmpps = PM8058_MPPS;
pdata->mpp_pdata->core_data.base_addr = REG_MPP_BASE;
mpp_cell.platform_data = pdata->mpp_pdata;
mpp_cell.pdata_size = sizeof(struct pm8xxx_mpp_platform_data);
rc = mfd_add_devices(pmic->dev, 0, &mpp_cell, 1, NULL,
irq_base);
if (rc) {
pr_err("Failed to add mpp subdevice ret=%d\n", rc);
goto bail;
}
}
if (pdata->num_regulators > 0 && pdata->regulator_pdatas) {
mfd_regulators = kzalloc(sizeof(struct mfd_cell)
* (pdata->num_regulators), GFP_KERNEL);
if (!mfd_regulators) {
pr_err("Cannot allocate %d bytes for pm8058 regulator "
"mfd cells\n", sizeof(struct mfd_cell)
* (pdata->num_regulators));
rc = -ENOMEM;
goto bail;
}
for (i = 0; i < pdata->num_regulators; i++) {
mfd_regulators[i].name = "pm8058-regulator";
mfd_regulators[i].id = pdata->regulator_pdatas[i].id;
mfd_regulators[i].platform_data =
&(pdata->regulator_pdatas[i]);
mfd_regulators[i].pdata_size =
sizeof(struct pm8058_vreg_pdata);
}
rc = mfd_add_devices(pmic->dev, 0, mfd_regulators,
pdata->num_regulators, NULL, irq_base);
if (rc) {
pr_err("Failed to add regulator subdevices ret=%d\n",
rc);
kfree(mfd_regulators);
goto bail;
}
pmic->mfd_regulators = mfd_regulators;
}
if (pdata->num_xo_buffers > 0 && pdata->xo_buffer_pdata) {
mfd_xo_buffers = kzalloc(sizeof(struct mfd_cell)
* (pdata->num_xo_buffers), GFP_KERNEL);
if (!mfd_xo_buffers) {
pr_err("Cannot allocate %d bytes for pm8058 XO buffer "
"mfd cells\n", sizeof(struct mfd_cell)
* (pdata->num_xo_buffers));
rc = -ENOMEM;
goto bail;
}
for (i = 0; i < pdata->num_xo_buffers; i++) {
mfd_xo_buffers[i].name = PM8058_XO_BUFFER_DEV_NAME;
mfd_xo_buffers[i].id = pdata->xo_buffer_pdata[i].id;
mfd_xo_buffers[i].platform_data =
&(pdata->xo_buffer_pdata[i]);
mfd_xo_buffers[i].pdata_size =
sizeof(struct pm8058_xo_pdata);
}
rc = mfd_add_devices(pmic->dev, 0, mfd_xo_buffers,
pdata->num_xo_buffers, NULL, irq_base);
if (rc) {
pr_err("Failed to add XO buffer subdevices ret=%d\n",
rc);
kfree(mfd_xo_buffers);
goto bail;
}
pmic->mfd_xo_buffers = mfd_xo_buffers;
}
if (pdata->keypad_pdata) {
keypad_cell.platform_data = pdata->keypad_pdata;
keypad_cell.pdata_size =
sizeof(struct pm8xxx_keypad_platform_data);
rc = mfd_add_devices(pmic->dev, 0, &keypad_cell, 1, NULL,
irq_base);
if (rc) {
pr_err("Failed to add keypad subdevice ret=%d\n", rc);
goto bail;
}
}
if (pdata->rtc_pdata) {
rtc_cell.platform_data = pdata->rtc_pdata;
rtc_cell.pdata_size = sizeof(struct pm8xxx_rtc_platform_data);
rc = mfd_add_devices(pmic->dev, 0, &rtc_cell, 1, NULL,
irq_base);
if (rc) {
pr_err("Failed to add rtc subdevice ret=%d\n", rc);
goto bail;
}
}
if (pdata->pwrkey_pdata) {
pwrkey_cell.platform_data = pdata->pwrkey_pdata;
pwrkey_cell.pdata_size =
sizeof(struct pm8xxx_pwrkey_platform_data);
rc = mfd_add_devices(pmic->dev, 0, &pwrkey_cell, 1, NULL,
irq_base);
if (rc) {
pr_err("Failed to add pwrkey subdevice ret=%d\n", rc);
goto bail;
}
}
if (pdata->vibrator_pdata) {
vibrator_cell.platform_data = pdata->vibrator_pdata;
vibrator_cell.pdata_size =
sizeof(struct pm8xxx_vibrator_platform_data);
rc = mfd_add_devices(pmic->dev, 0, &vibrator_cell, 1, NULL,
irq_base);
if (rc) {
pr_err("Failed to add vibrator subdevice ret=%d\n",
rc);
goto bail;
}
}
if (pdata->leds_pdata) {
leds_cell.platform_data = pdata->leds_pdata;
leds_cell.pdata_size =
sizeof(struct pmic8058_leds_platform_data);
rc = mfd_add_devices(pmic->dev, 0, &leds_cell, 1, NULL,
irq_base);
if (rc) {
pr_err("Failed to add leds subdevice ret=%d\n", rc);
goto bail;
}
}
if (pdata->xoadc_pdata) {
xoadc_cell.platform_data = pdata->xoadc_pdata;
xoadc_cell.pdata_size =
sizeof(struct xoadc_platform_data);
rc = mfd_add_devices(pmic->dev, 0, &xoadc_cell, 1, NULL,
irq_base);
if (rc) {
pr_err("Failed to add leds subdevice ret=%d\n", rc);
goto bail;
}
}
if (pdata->othc0_pdata) {
othc0_cell.platform_data = pdata->othc0_pdata;
othc0_cell.pdata_size =
sizeof(struct pmic8058_othc_config_pdata);
rc = mfd_add_devices(pmic->dev, 0, &othc0_cell, 1, NULL, 0);
if (rc) {
pr_err("Failed to add othc0 subdevice ret=%d\n", rc);
goto bail;
}
}
if (pdata->othc1_pdata) {
othc1_cell.platform_data = pdata->othc1_pdata;
othc1_cell.pdata_size =
sizeof(struct pmic8058_othc_config_pdata);
rc = mfd_add_devices(pmic->dev, 0, &othc1_cell, 1, NULL,
irq_base);
if (rc) {
pr_err("Failed to add othc1 subdevice ret=%d\n", rc);
goto bail;
}
}
if (pdata->othc2_pdata) {
othc2_cell.platform_data = pdata->othc2_pdata;
othc2_cell.pdata_size =
sizeof(struct pmic8058_othc_config_pdata);
rc = mfd_add_devices(pmic->dev, 0, &othc2_cell, 1, NULL, 0);
if (rc) {
pr_err("Failed to add othc2 subdevice ret=%d\n", rc);
goto bail;
}
}
if (pdata->pwm_pdata) {
pm8058_pwm_cell.platform_data = pdata->pwm_pdata;
pm8058_pwm_cell.pdata_size = sizeof(struct pm8058_pwm_pdata);
rc = mfd_add_devices(pmic->dev, 0, &pm8058_pwm_cell, 1, NULL,
irq_base);
if (rc) {
pr_err("Failed to add pwm subdevice ret=%d\n", rc);
goto bail;
}
}
if (pdata->misc_pdata) {
misc_cell.platform_data = pdata->misc_pdata;
misc_cell.pdata_size = sizeof(struct pm8xxx_misc_platform_data);
rc = mfd_add_devices(pmic->dev, 0, &misc_cell, 1, NULL,
irq_base);
if (rc) {
pr_err("Failed to add misc subdevice ret=%d\n", rc);
goto bail;
}
}
rc = mfd_add_devices(pmic->dev, 0, &thermal_alarm_cell, 1, NULL,
irq_base);
if (rc) {
pr_err("Failed to add thermal alarm subdevice ret=%d\n",
rc);
goto bail;
}
rc = mfd_add_devices(pmic->dev, 0, &batt_alarm_cell, 1, NULL,
irq_base);
if (rc) {
pr_err("Failed to add battery alarm subdevice ret=%d\n",
rc);
goto bail;
}
rc = mfd_add_devices(pmic->dev, 0, &upl_cell, 1, NULL, 0);
if (rc) {
pr_err("Failed to add upl subdevice ret=%d\n", rc);
goto bail;
}
rc = mfd_add_devices(pmic->dev, 0, &nfc_cell, 1, NULL, 0);
if (rc) {
pr_err("Failed to add upl subdevice ret=%d\n", rc);
goto bail;
}
if (pdata->charger_pdata) {
pm8058_charger_cell.platform_data = pdata->charger_pdata;
pm8058_charger_cell.pdata_size = sizeof(struct
pmic8058_charger_data);
rc = mfd_add_devices(pmic->dev, 0, &pm8058_charger_cell,
1, NULL, irq_base);
if (rc) {
pr_err("Failed to add charger subdevice ret=%d\n", rc);
goto bail;
}
}
rc = mfd_add_devices(pmic->dev, 0, &debugfs_cell, 1, NULL, irq_base);
if (rc) {
pr_err("Failed to add debugfs subdevice ret=%d\n", rc);
goto bail;
}
return rc;
bail:
if (pmic->irq_chip) {
pm8xxx_irq_exit(pmic->irq_chip);
pmic->irq_chip = NULL;
}
return rc;
}
static int __devinit pm8058_probe(struct platform_device *pdev)
{
int rc;
struct pm8058_platform_data *pdata = pdev->dev.platform_data;
struct pm8058_chip *pmic;
if (pdata == NULL) {
pr_err("%s: No platform_data or IRQ.\n", __func__);
return -ENODEV;
}
pmic = kzalloc(sizeof *pmic, GFP_KERNEL);
if (pmic == NULL) {
pr_err("%s: kzalloc() failed.\n", __func__);
return -ENOMEM;
}
pmic->dev = &pdev->dev;
pm8058_drvdata.pm_chip_data = pmic;
platform_set_drvdata(pdev, &pm8058_drvdata);
/* Read PMIC chip revision */
rc = pm8058_readb(pmic->dev, PM8058_REG_REV, &pmic->revision);
if (rc)
pr_err("%s: Failed on pm8058_readb for revision: rc=%d.\n",
__func__, rc);
pr_info("%s: PMIC revision: %X\n", __func__, pmic->revision);
(void) memcpy((void *)&pmic->pdata, (const void *)pdata,
sizeof(pmic->pdata));
rc = pm8058_add_subdevices(pdata, pmic);
if (rc) {
pr_err("Cannot add subdevices rc=%d\n", rc);
goto err;
}
rc = pm8xxx_hard_reset_config(PM8XXX_SHUTDOWN_ON_HARD_RESET);
if (rc < 0)
pr_err("%s: failed to config shutdown on hard reset: %d\n",
__func__, rc);
return 0;
err:
mfd_remove_devices(pmic->dev);
platform_set_drvdata(pdev, NULL);
kfree(pmic);
return rc;
}
static int __devexit pm8058_remove(struct platform_device *pdev)
{
struct pm8xxx_drvdata *drvdata;
struct pm8058_chip *pmic = NULL;
drvdata = platform_get_drvdata(pdev);
if (drvdata)
pmic = drvdata->pm_chip_data;
if (pmic) {
if (pmic->dev)
mfd_remove_devices(pmic->dev);
if (pmic->irq_chip)
pm8xxx_irq_exit(pmic->irq_chip);
kfree(pmic->mfd_regulators);
kfree(pmic);
}
platform_set_drvdata(pdev, NULL);
return 0;
}
static struct platform_driver pm8058_driver = {
.probe = pm8058_probe,
.remove = __devexit_p(pm8058_remove),
.driver = {
.name = "pm8058-core",
.owner = THIS_MODULE,
},
};
static int __init pm8058_init(void)
{
return platform_driver_register(&pm8058_driver);
}
postcore_initcall(pm8058_init);
static void __exit pm8058_exit(void)
{
platform_driver_unregister(&pm8058_driver);
}
module_exit(pm8058_exit);
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("PMIC8058 core driver");
MODULE_VERSION("1.0");
MODULE_ALIAS("platform:pmic8058-core");